в 14:21, 25 мая 2010

2010-05-25T14:21:17Z

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2010-05-25T10:30:04Z

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==Generic Queue==

<source lang="cpp">#include<iostream.h>
#include<iomanip.h>
#include<ctype.h>
template<class Type>
class queue
{
private:
Type size;
Type start;
Type end;
Type *data;
public:
queue()
{
size=20;
start=end=0;
data=new Type[size];
}
queue(Type n)
{
size=n;
start=end=0;
data=new Type[size];
}
~queue()
{
delete data;
}
void put(Type value)
{
if((start+1)size==end)
{
cout<<"\n***Queue is full!***\n";
return ;
}
data[start]=value;
start=(start+1)size;
cout<<"You have put a data into the queue!\n";
return;
}
Type get()
{
Type value;
if(start==end)
{
cout<<"\n***Queue is empty!***\n";
return(0);
}
value=data[end];
end=(end+1)size;
cout<<"\n Get "<<value<<" from the queue!\n";
return(value);
}
void clear()
{
start=end;
cout<<"\n ***Queue is empty!***\n";
}
void ShowQueue()
{
if(start==end)
{
cout<<"\n The queue has no data!\n";
return;
}
Type i;
cout<<"\n The content of queue:\n";
for(i=end;i!=start;i=((i+1)size))
cout<<setw(5)<<data[i];
cout<<"\n\n";
}
};
main()
{
queue<char> ss(5);
char value = "a";
ss.put(value);
ss.put("b");
value=ss.get();
ss.clear();
ss.ShowQueue();
}</source>
<pre class=codeResult>You have put a data into the queue!
You have put a data into the queue!
Get a from the queue!
***Queue is empty!***
The queue has no data!</pre>

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